A NEW METHOD OF DETERMING SOURCE TERMS OF POISSON EQUATIONS FOR GRID GENERATION

TV1; This paper is concerned with a new method to determine the source terms P and Q of Poisson equations for grid generation, with which a satisfactory grid can be obtained. The interior grid distribution is controlled by the prior selection of grid point distribution along the boundary of the regi...

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Bibliographic Details
Published in水动力学研究与进展B辑 Vol. 12; no. 1; pp. 16 - 21
Main Authors Wei Wen-li, Wang De-yi, Zhang Zong-xiao, Liu Yu-ling
Format Journal Article
LanguageEnglish
Published Xi'an University of Technology, Xi'an 710048, P.R.China 2000
Subjects
weighting functions
Poisson equations
grid generation
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Summary:TV1; This paper is concerned with a new method to determine the source terms P and Q of Poisson equations for grid generation, with which a satisfactory grid can be obtained. The interior grid distribution is controlled by the prior selection of grid point distribution along the boundary of the region, and the orthogonality condition in the neighborhood of the boundary is satisfied. This grid generation technique can be widely used in the numerical solution of 2-D flow in rivers, lakes, and shallow water regions.
ISSN:1001-6058